Improving Wearable-Based Activity Recognition Using Image Representations.
Alejandro Sánchez GuineaMehran SarabchianMax MühlhäuserPublished in: Sensors (2022)
Keyphrases
- image representation
- image classification
- multiscale
- object recognition
- representation scheme
- image content
- bag of words
- image features
- visual words
- hierarchical structure
- scene classification
- sparse representation
- quadtree
- feature representations
- physical activity
- feature space
- image retrieval
- receptive fields
- gaussian mixture modeling
- spatial pyramid
- daily activities
- image classification and retrieval
- low level features
- activity recognition
- region segmentation
- visual features
- recognition rate
- feature extraction
- image processing